9th Grade

A set of Cornell-style notes covering the 'bases and alkalis' topic in the GCSE AQA Triple Science Chemistry course. The main notes are in the larger right column, and corresponding questions (for active recall!!) are in the smaller left column. All in an aesthetic purple theme <3

This study guide provides an overview of the Periodic Table, focusing on the structure and arrangement of elements. It defines elements, atoms, and isotopes, and discusses key concepts like atomic number, atomic mass, and the functions of protons, neutrons, and electrons. The guide also categorizes elements into groups like metals, rare earth elements, non-metals, semimetals, halogens, and noble gases. It is designed for high school science students seeking a clear and concise understanding of a...

The document is a summary of Algebra.

Unlock the tools to write clear, confident essays with this complete Grade 9 writing guide. Perfect for middle school students and early high school writers, this resource explains how to plan, structure, and polish essays step-by-step. Learn how to create impactful introductions, develop strong body paragraphs, and write thoughtful conclusions that leave an impression. The guide covers: Essay formats (narrative, expository, persuasive, and analytical) Thesis building and topic sentence plann...

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Challenge your knowledge of core economic concepts with this comprehensive Grade 9 Economics test featuring 100 multiple-choice questions and a full answer key with explanations. Designed for students, educators, and homeschoolers, this resource covers all major topics: supply and demand, market structures, personal finance, inflation, banking, GDP, unemployment, and government policy. Each question reinforces critical thinking and understanding of real-world economics while helping students pr...

This comprehensive guide reveals the 18 key steps I used to achieve a perfect score on my Business Communication exam—crafted for anyone looking to master the art of writing clear, persuasive, and professional emails. Written in a first-person narrative and based on real experience, it covers everything from subject line optimization to cultural tone calibration and post-send strategy. Each section provides actionable techniques and examples, including email structuring, tone setting, attachm...

Master the foundational concepts and practical applications of electrical principles and technologies with this complete set of class notes. Designed for high school physics, introductory engineering, and technology courses, this resource provides easy-to-follow explanations, diagrams, examples, and terminology to support both academic success and real-world understanding. Explore key electrical concepts including: The nature of electric charge, current, voltage, and resistance Series and par...

Unlock a complete and easy-to-understand study guide on Matter and Chemical Change, designed for high school and introductory chemistry students. These class notes offer clear explanations, organized sections, and real-world examples to help you grasp the core concepts in physical science and chemistry with confidence. This resource goes far beyond basic memorization—it builds your scientific literacy by exploring: The Particle Model of Matter and how it explains the behavior of solids, liqu...

Master key concepts in chemistry with this in-depth multiple choice review covering everything from the Particle Model of Matter to complex chemical reactions. Ideal for high school and introductory college-level science students, this resource includes carefully crafted questions on physical and chemical properties, atomic structure, biochemical processes, periodic table classifications, and reaction types. Featuring over 30 practice questions, this quiz targets core ideas like: Identifying p...